LTC4060EFE#TRPBF Integrated Circuits (ICs)

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Power devices are essential components in the development of modern electronic products. They provide strong protection for devices in the operation, so as to ensure the normal operation of electronic products and extend the service life. PMIC (Power Management Integrated Circuit) refers to the power integrated devices that integrate a variety of functions related to power supply/control/distribution/battery management in one IC. This makes it possible for power management design to be very compact, cost-effective and time-saving. Among PMICs, Battery Chargers play a vital role in providing a safe and efficient charging current for connected batteries. Here we will take the LTC4060EFE#TRPBF as an example to explain its application field and working principle.

The LTC4060EFE#TRPBF is a single cell Li-ion/Li-polymer battery charger with an integrated low RDS(on)FET switch, designed for USB and wall adaptor-powered Li-ion chargers with no external components. This product can accept a wide input voltage range from 4.5 V to 24 V using a micro USB connector. The wide input range of this battery charger is suitable for micro to large-sized applications. It has a programmable constant-current/constant-voltage (CC/CV) charging for Li-ion/Li-polymer batteries and the typical charge current can be adjusted from 0.2A to 1.5A. The LTC4060EFE#TRPBF also has an accurate charge termination and high efficiency when used with wall adaptors. Moreover, it also provides low battery detect, thermistor support and timer-based charge termination. With the integrated free of lead high-side FET, it can extend the battery life and at the same time provide high safety protection.

Speaking of the working principle of the LTC4060EFE#TRPBF, it is very straightforward. When the input voltage is connected and suitable for the charge specification of the battery, if the voltage of the battery is within the allowable charging voltage range, the >LTC4060EFE#TRPBF will set the direction of the current and control the current passing through it to the battery. The control circuit sets a constant current and sets a reference voltage according to the charging specification of the battery to form a loop. As the voltage from the battery voltage feedback loop increases and equal to the reference voltage, in this way the charging current slowly decreases, when it finally decreases to a certain value the charging process is stopped. Thus, the LTC4060EFE#TRPBF provides a simple, reliable and safe way to charge Li-ion/Li-polymer batteries for a wide range of applications.

In conclusion, the LTC4060EFE#TRPBF is an ideal choice for a wide range of battery charging applications. With its wide input voltage range and high efficiency, it ensures efficient and safe charging with minimal power loss. Considering its powerful current sense and linear charge, it can consistently supply the current to Li-Ion and Li-Poly batteries, thus significantly prolonging their service life. More importantly, it can effectively protect against overcharging and overvoltage, which makes it a high-performance and reliable solution for Li-ion and Li-poly charging.

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